<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>WebGL</title>
    <style>
        body { background-color: gray; }
        canvas { border: 2px solid; }
    </style>
</head>
<body onload="main()">
<canvas id="container" width="1280px" height="720px"></canvas>
<p id="nearFar"></p>
</body>
</html>
<script type="text/javascript" src="main.js"></script>